@book{703,
	author = {Basagaña, Eduardo J. and Nudelman Bass, Miguel Ángel},
	title = {Precios vs. costos.},
	publisher = {Macchi, },
	year = {1977.},
	address = {Buenos Aires : },
	edition = {1ra.ed.},
	note = {Bibliografía p. 133.}
}